Search a number
-
+
154664080 = 2451933301
BaseRepresentation
bin10010011011111…
…11110010010000
3101210000202020021
421031333302100
5304043222310
623202553224
73555423454
oct1115776220
9353022207
10154664080
117a33845a
1243968814
1326072b0c
1416780664
15d8a15da
hex937fc90

154664080 has 20 divisors (see below), whose sum is σ = 359594172. Its totient is φ = 61865600.

The previous prime is 154664051. The next prime is 154664087. The reversal of 154664080 is 80466451.

It can be written as a sum of positive squares in 2 ways, for example, as 41113744 + 113550336 = 6412^2 + 10656^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (154664087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966571 + ... + 966730.

Almost surely, 2154664080 is an apocalyptic number.

154664080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154664080 is an abundant number, since it is smaller than the sum of its proper divisors (204930092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154664080 is a wasteful number, since it uses less digits than its factorization.

154664080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933314 (or 1933308 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 154664080 is about 12436.4014087677. The cubic root of 154664080 is about 536.7801996512.

The spelling of 154664080 in words is "one hundred fifty-four million, six hundred sixty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1933301 3866602 7733204 9666505 15466408 19333010 30932816 38666020 77332040 154664080